package chixing.day18.homework.work1;

import chixing.day05.Product;

import java.util.concurrent.Callable;

public class Test {
    /*
    * 1.B
    * 2.A
    * 3.B
    * 4.C
    * 5.B
    * */

    class A extends Thread{
        @Override
        public void run() {
            super.run();
        }
    }

    class B implements Runnable{

        @Override
        public void run() {

        }
    }

    class C implements Callable<Product>{
        @Override
        public Product call() throws Exception {
            return null;
        }
    }

}
